Light bulb



FIG. 1 is a perspective view showing a light bulb.

FIG. 2 is a front view of a light bulb.

FIG. 3 is a rear view of a light bulb.

FIG. 4 is a top view of a light bulb.

FIG. 5 is a bottom view of a light bulb.

FIG. 6 is a side view of a light bulb; and,

FIG. 7 is a side view of a light bulb.

The broken line showing of the bottom portion of the light bulb isincluded for the purpose of illustrating only and forms no part of theclaimed design.

CLAIM The ornamental design for a light bulb, as shown and described.